diff --git a/src/WebApi_ws_live.cpp b/src/WebApi_ws_live.cpp
index 5a7180a6..c24a77f0 100644
--- a/src/WebApi_ws_live.cpp
+++ b/src/WebApi_ws_live.cpp
@@ -11,7 +11,7 @@
 #include <AsyncJson.h>
 
 #ifndef PIN_MAPPING_REQUIRED
-    #define DPIN_MAPPING_REQUIRED 0
+    #define PIN_MAPPING_REQUIRED 0
 #endif
 
 WebApiWsLiveClass::WebApiWsLiveClass()